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Finding the Fourth Proportional to 7,192.55, 9,925.17 and 4,048.13

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Solution

The fourth proportional to 7,192.55, 9,925.17 and 4,048.13 is: 5,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.55 : 9,925.17 = 4,048.13 : x
  2. Step 2: Convert to fraction form
    7,192.55/9,925.17 = 4,048.13/x
  3. Step 3: Cross multiply
    7,192.55x = 9,925.17 × 4,048.13
  4. Step 4: Simplify right side
    7,192.55x = 40,178,328.81
  5. Step 5: Solve for x
    x = 40,178,328.81/7,192.55
  6. Step 6: Final answer
    x = 5,586.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.